Patents by Inventor Hal Preston

Hal Preston has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D997845
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: September 5, 2023
    Assignee: Hal Preston
    Inventor: Hal Preston